Home / 7,745.82-10,648.25-6,665.08

Finding the Fourth Proportional to 7,745.82, 10,648.25 and 6,665.08

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Solution

The fourth proportional to 7,745.82, 10,648.25 and 6,665.08 is: 9,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.82 : 10,648.25 = 6,665.08 : x
  2. Step 2: Convert to fraction form
    7,745.82/10,648.25 = 6,665.08/x
  3. Step 3: Cross multiply
    7,745.82x = 10,648.25 × 6,665.08
  4. Step 4: Simplify right side
    7,745.82x = 70,971,351.54
  5. Step 5: Solve for x
    x = 70,971,351.54/7,745.82
  6. Step 6: Final answer
    x = 9,162.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.